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Finding the Fourth Proportional to 251,504.60, 377,694.30 and 243,631.40

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Solution

The fourth proportional to 251,504.60, 377,694.30 and 243,631.40 is: 365,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,504.60 : 377,694.30 = 243,631.40 : x
  2. Step 2: Convert to fraction form
    251,504.60/377,694.30 = 243,631.40/x
  3. Step 3: Cross multiply
    251,504.60x = 377,694.30 × 243,631.40
  4. Step 4: Simplify right side
    251,504.60x = 92,018,191,081.02
  5. Step 5: Solve for x
    x = 92,018,191,081.02/251,504.60
  6. Step 6: Final answer
    x = 365,870.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.